ImoE
Not only X, but also Y - X and Y should be parallel.
A. Zirconium Nickel alloy is sold in not only various forms, such as bar, ingot, ribbon and foils, but itis also
Not only X (noun phrase), but (Subject+ verb) also - Not Parallel
B. Zirconium Nickel alloy is not only sold in various forms, such as bar, ingot, ribbon and foils, it is also, aswell
Run onsentence.
C. Zirconium Nickel alloy not only is sold in various forms, such as bar, ingot, ribbon and foils, butalso
[color=#ff0000]
...
Not only X, but also Y - X and Y should be parallel.
A. Zirconium Nickel alloy is sold in not only various forms, such as bar, ingot, ribbon and foils, but itis also
Not only X (noun phrase), but (Subject+ verb) also - Not Parallel
B. Zirconium Nickel alloy is not only sold in various forms, such as bar, ingot, ribbon and foils, it is also, aswell
Run onsentence.
C. Zirconium Nickel alloy not only is sold in various forms, such as bar, ingot, ribbon and foils, butalso
[color=#ff0000]
...




